"Turn store-bought meatballs into the ultimate comfort food with this recipe for Salisbury Steak Meatballs served in a rich gravy and ready in just 30 minutes!..."
INGREDIENTS
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32 ounce bag frozen homestyle meatballs
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4 Tablespoons unsalted butter
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1 medium sweet onion, thinly sliced
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3 Tablespoons all-purpose flour
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1 packet brown gravy mix
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2 1/2 cups low sodium beef broth
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1 Tablespoon ketchup
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1 Tablespoon Worcestershire sauce
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1/2 Tablespoon dijon mustard ((optional if you don't have it on hand))
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1/2 teaspoon black pepper